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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 3:36 pm CST Jan 19, 2026 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Increasing Clouds on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 6 °F High: 29°F High: 34°F High: 28°F High: 4°F High: 8°F High: 16°F High: 26°F
Low: 32 °F Low: 16°F Low: -1°F Low: -7°F Low: -2°F Low: 5°F  
Mostly Clear Increasing Clouds Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
Feels like -7°F
Clear
as of 4:55 PM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
13 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
Clear
as of 4:54 PM CST
Rel. Humidity: 46%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
10°
Feels like -3°F
Clear
as of 4:55 PM CST
Rel. Humidity: 43%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
10 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
Feels like -4°F
Clear
as of 4:55 PM CST
Rel. Humidity: 46%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 17 MPH
280° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values between -4 and 1. Southwest wind 5 to 8 mph, with gusts as high as 17 mph.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 29. Wind chill values between -3 and 7. South wind 5 to 10 mph, with gusts as high as 16 mph.

20% chance of snow Tuesday Night Tuesday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 32 by 1am. South southeast wind 6 to 13 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 34. West wind 11 to 14 mph, with gusts as high as 24 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 16. Southwest wind 8 to 14 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 28. West wind 7 to 11 mph, with gusts as high as 20 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around -1. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.

Partly Sunny on Friday Friday... Partly sunny and cold, with a high near 4.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -7.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 8.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -2.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 16.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 5.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 26.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:20 AM
Sunset: 5:02 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:32 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:38 PM
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